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Internal Frame Backpacks

(253 products)
Products (253)
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    REI Co-opTrail 25 Pack
    $99.95
    114 reviews with an average rating of 4.3 out of 5 stars
    Gear Capacity:
    25 liters
    Weight:
    1.81 to 1.87 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    OspreyTempest 20 Pack - Women's
    $102.73
    Save 35%
    compared to  $160.00
    150 reviews with an average rating of 4.1 out of 5 stars
    Gear Capacity:
    18 to 20 liters
    Weight:
    2.04 to 2.21 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
    Top Rated
    OspreyTempest 22 Pack - Women's
    $170.00
    27 reviews with an average rating of 4.7 out of 5 stars
    Gear Capacity:
    22 liters
    Weight:
    2.38 to 2.98 lbs
    Features:
    Reservoir Compatible
    REI Co-opFlash 55 Pack - Men's
    $219.00
    83 reviews with an average rating of 4.2 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    53 to 57 liters
    Weight:
    2.75 to 2.87 lbs
    Features:
    Ultralight
    Reservoir Compatible
    OspreyTalon 22 Pack - Men's
    $170.00
    36 reviews with an average rating of 4.4 out of 5 stars
    Gear Capacity:
    22 liters
    Weight:
    2.38 to 2.98 lbs
    Features:
    Reservoir Compatible
    REI Co-opFlash 55 Pack - Women's
    $219.00
    75 reviews with an average rating of 4.2 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    53 to 57 liters
    Weight:
    2.62 to 2.75 lbs
    Features:
    Ultralight
    Reservoir Compatible
    OspreyAtmos AG 65 Pack - Men's
    $370.00
    124 reviews with an average rating of 4.4 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    65 to 68 liters
    Weight:
    4.61 to 4.81 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    Top Rated
    GregoryBaltoro 75 Pack - 2024 - Men's
    $262.73
    Save 24%
    compared to  $349.95
    76 reviews with an average rating of 4.5 out of 5 stars
    Trip Length/Capacity:
    Extended, Multiday
    Gear Capacity:
    70 to 80 liters
    Weight:
    4.8 to 5.4 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
    Top Rated
    GregoryBaltoro 65 Pack - 2024 - Men's
    $247.73
    Save 24%
    compared to  $329.95
    100 reviews with an average rating of 4.5 out of 5 stars
    Trip Length/Capacity:
    Multiday, Extended
    Gear Capacity:
    60 to 70 liters
    Weight:
    4.72 to 5.25 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
    Top Rated
    REI Co-opTrail 40 Pack - Women's
    $149.00
    19 reviews with an average rating of 4.6 out of 5 stars
    Gear Capacity:
    40 to 41 liters
    Weight:
    2.56 to 2.87 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI Co-opTrail 40 Pack - Men's
    $149.00
    43 reviews with an average rating of 4.3 out of 5 stars
    Gear Capacity:
    40 to 41 liters
    Weight:
    2.75 to 3 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    OspreySirrus 24 Pack - Women's
    $180.00
    73 reviews with an average rating of 4.3 out of 5 stars
    Gear Capacity:
    24 liters
    Weight:
    2.73 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    Top Rated
    OspreyAriel 55 Pack - Women's
    $193.73
    Save 35%
    compared to  $300.00
    13 reviews with an average rating of 4.6 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    55 liters
    Weight:
    4.82 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
    Top Rated
    OspreyStratos 24 Pack - Men's
    $180.00
    94 reviews with an average rating of 4.5 out of 5 stars
    Gear Capacity:
    24 liters
    Weight:
    2.78 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    OspreyTalon 22 Pack - Men's
    $119.73
    Save 25%
    compared to  $160.00
    239 reviews with an average rating of 4.3 out of 5 stars
    Gear Capacity:
    20 liters
    Weight:
    2.06 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
    Top Rated
    OspreyStratos 34 Pack - Men's
    $200.00
    75 reviews with an average rating of 4.7 out of 5 stars
    Gear Capacity:
    34 liters
    Weight:
    3.15 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    OspreyRook 65 Pack - Men's
    $200.00
    17 reviews with an average rating of 4.2 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    65 liters
    Weight:
    3.7 to 3.9 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI Co-opTrailmade 60 Pack - Men's
    $179.00
    7 reviews with an average rating of 4.1 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    60 liters
    Weight:
    3.38 to 3.69 lbs
    Features:
    Reservoir Compatible
    Top Rated
    DeuterSpeed Lite 21 Pack
    $80.00
    14 reviews with an average rating of 4.8 out of 5 stars
    Gear Capacity:
    21 liters
    Weight:
    1.04 lbs
    Features:
    Reservoir Compatible
    GregoryCitro 24 Pack - 2024
    $112.73
    Save 24%
    compared to  $149.95
    0 reviews
    Gear Capacity:
    24 liters
    Weight:
    2.02 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
    Top Rated
    MYSTERY RANCHRadix 31 Pack - Men's
    $152.93
    Save 30%
    compared to  $219.00
    8 reviews with an average rating of 4.8 out of 5 stars
    Gear Capacity:
    28.8 liters
    Weight:
    3.11 lbs
    Features:
    Reservoir Compatible
    OspreyEja 58 Pack - Women's
    $280.00
    60 reviews with an average rating of 4.4 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    55 to 58 liters
    Weight:
    2.72 to 2.82 lbs
    Features:
    Reservoir Compatible
    Top Rated
    DeuterSpeed Lite Pro 23 SL Pack - Women's
    $130.00
    13 reviews with an average rating of 4.6 out of 5 stars
    Gear Capacity:
    23 liters
    Weight:
    1.05 lbs
    Features:
    Reservoir Compatible
    GregoryCitro 30 Pack
    $119.73
    Save 25%
    compared to  $159.95
    0 reviews
    Gear Capacity:
    30 liters
    Weight:
    2.09 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
    GregoryZulu 30 Pack - Men's
    $199.95
    55 reviews with an average rating of 4.4 out of 5 stars
    Gear Capacity:
    30 liters
    Weight:
    3.04 to 3.12 lbs
    Features:
    Reservoir Compatible
    GregoryJuno 24 Pack - Women's
    $112.73
    Save 24%
    compared to  $149.95
    1 reviews with an average rating of 4.0 out of 5 stars
    Gear Capacity:
    24 liters
    Weight:
    1.93 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
    Top Rated
    GregoryArrio 18 Pack
    $67.73
    Save 24%
    compared to  $89.95
    10 reviews with an average rating of 4.5 out of 5 stars
    Gear Capacity:
    18 liters
    Weight:
    1.39 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
    Top Rated
    REI Co-opTraverse 35 Pack - Men's
    $169.00
    10 reviews with an average rating of 4.9 out of 5 stars
    Gear Capacity:
    35 liters
    Weight:
    3.25 to 3.5 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    Top Rated
    GregoryJade 24 LT Pack - Women's
    $169.95
    25 reviews with an average rating of 4.6 out of 5 stars
    Gear Capacity:
    24 liters
    Weight:
    2.23 lbs
    Features:
    Reservoir Compatible
    GregoryJuno 30 Pack - Women's
    $119.73
    Save 25%
    compared to  $159.95
    2 reviews with an average rating of 3.0 out of 5 stars
    Gear Capacity:
    30 liters
    Weight:
    2.06 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
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